William Johnston & Company Limited offer Metallic Ring Type Joint gaskets (RTJs) which are manufactured according to the API 6A and ASME B 16.20 standard for applications at elevated temperatures and pressures.
The small sealing area with high contact pressure results in an excellent seal with high integrity.
Shape and Construction
|STANDARD MATERIALS - STANDARD MATERIALS RECOMMENDED BY THE ASME B16.20|
|ASTM||EN Material No||Maximum HB||Maximum HV||Material code|
|DIMENSIONS - STANDARDS FOR RING JOINT GASKETS USED WITH FLANGES|
|Ring Joints Gaskets Style||Ring Joints Gaskets Standard||Flange Standard|
|R||ASME B 16.20 API 6A||ASME B 16.5 ASMEB 16.47|
|RX||ASME B 16.20 API 6A||API 6B|
|BX||API 6A||API 6BX|
Failure to select the correct materials or products can result in damage to plant and equipment and personal injury. In specific applications, particularly where critical conditions exist, we suggest you contact us and we will consider with you the most suitable material or product. However, information supplied by William Johnston & Company Limited is intended only as technical co-operation and as a guide to the various uses of different products. No warranty is given in respect of information or recommendations by William Johnston & Company Limited which are only given for guidance and without any guarantee. The customer must satisfy themselves on the suitability of the material or product for the intended purpose. The correct fitting of products is the responsibility of the customer.